2009-2014 Cadillac CTS-V General Discussion Discussion, Getting my Differential rear end carrier replaced on Friday in Cadillac CTS-V Series Forum - 2009-2014; i'm pretty sure the test for the S/C rattle is if it can be heard over a certain RPM (1,300 ...

Well, go in tomorrow for everything. I'm sure the vehicle is under warranty, 2011, 22k miles, I need to add the driver side headlight to the list it doesn't move with the passenger side when turn the wheel.

Well, go in tomorrow for everything. I'm sure the vehicle is under warranty, 2011, 22k miles, I need to add the driver side headlight to the list it doesn't move with the passenger side when turn the wheel.

Re: Getting my Differential rear end carrier replaced on Friday

Originally Posted by NM11CTSV

Well, go in tomorrow for everything. I'm sure the vehicle is under warranty, 2011, 22k miles, I need to add the driver side headlight to the list it doesn't move with the passenger side when turn the wheel.

Update: I was told the tech thinks is a wheel bearing.. We will see. If I get it back and the sound continues, I'll bring it right back. Unless they drive it and find that didn't correct the sound.

Could be...had one of those replaced, too, but they don't drone like a bad carrier. If it comes on between 35-40 in a high gear at cruise and then goes away under power it's not a bearing in a wheel. Listen close!

Re: Getting my Differential rear end carrier replaced on Friday

i've gotta remember when I pull my car outta storage that the rear end is still not broken in yet, I think the car's been around 600 miles since it was replaced, I wanted to go easy on it for around 1000 miles or so.

For the first 2 414 km (1,500 miles):
Avoid full throttle starts and abrupt stops.
Do not exceed 4,000 engine rpm.
Avoid driving at any one constant speed, fast or slow.
Avoid downshifting to brake or slow the vehicle when the engine speed will exceed 4000 rpm.
Do not let the engine labor. Never lug the engine in high gear at low speeds. With a manual transmission, shift to the next lower gear. This rule applies at all times, not just during the break-in period.
Do not participate in track events, sport driving schools, or similar activities during this break&ndash;in period.

Re: Getting my Differential rear end carrier replaced on Friday

Originally Posted by Trapspeed

Originally Posted by 2013 Cadillac Owner's manual

For the first 2 414 km (1,500 miles):
Avoid full throttle starts and abrupt stops.
Do not exceed 4,000 engine rpm.
Avoid driving at any one constant speed, fast or slow.
Avoid downshifting to brake or slow the vehicle when the engine speed will exceed 4000 rpm.
Do not let the engine labor. Never lug the engine in high gear at low speeds. With a manual transmission, shift to the next lower gear. This rule applies at all times, not just during the break-in period.
Do not participate in track events, sport driving schools, or similar activities during this break–in period.

Yes, the car may melt.
Did you ever see what GM does to this cars right off the assembly line ????????????? "full load testing"